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Finding the Fourth Proportional to 67,578.31, 93,257.45 and 37,364.40

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Solution

The fourth proportional to 67,578.31, 93,257.45 and 37,364.40 is: 51,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,578.31 : 93,257.45 = 37,364.40 : x
  2. Step 2: Convert to fraction form
    67,578.31/93,257.45 = 37,364.40/x
  3. Step 3: Cross multiply
    67,578.31x = 93,257.45 × 37,364.40
  4. Step 4: Simplify right side
    67,578.31x = 3,484,508,664.78
  5. Step 5: Solve for x
    x = 3,484,508,664.78/67,578.31
  6. Step 6: Final answer
    x = 51,562.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.